// Heavy-Duty Power, Built to Take a Beating · Est. 2004
Power.
Built to take
a beating.
Ironclad Electrical engineers, installs and maintains heavy-duty electrical infrastructure — from three-phase factory power and automation to switchboards, EV fleets and emergency response. We wire it to outlast the building.
21yrs
On the tools
14,600+
Jobs energised
3Φ
Phase power specialists
99.9%
Compliance pass rate
// The mandate
We don't
do tidy.
We do bulletproof.
Ironclad Electrical is a heavy-duty electrical contractor. We wire factories, switchboards, EV fleets and mission-critical sites — the jobs where a flicker costs real money and a fault is a safety incident, not an inconvenience.
Anyone can run a cable. We engineer three-phase power, factory automation and protection systems that get flogged for twenty-five years and keep passing the audit. One A-grade crew. No hand-offs. No excuses.
Self-performed
No subbie hand-offs
AS/NZS 3000
Compliant by default
24/7 response
Emergency crews on call
// Capability stack — 20 builds
Four divisions.
One crew.
Power & Infrastructure
Safety & Compliance
// Flagship builds
Heavy iron.
Industrial Electrical
Heavy-duty three-phase electrical for factories, plants and industrial sites
VIEW BUILD
Switchboard Upgrades
Fault-rated switchboard replacements and upgrades for industrial and commercial sites
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Emergency Electrician
24/7 industrial emergency response — on-site fast, fault cleared first time.
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EV Charger Installation
A-Grade licensed EV charger installation: 7kW, 22kW and DC fast charging.
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Fire Alarm Systems
AS 1670 fire detection design, install and AS 1851 scheduled maintenance — life safety done right.
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Data & Network Cabling
ACMA-registered structured cabling in Cat6A, Cat7, and fibre to AS/CA S009.
VIEW BUILD// Method
From dead supply
to signed-off.
Assess
We scope the load, the supply and the standard it has to pass — before a single cable is pulled.
Engineer
Switchboards, sub-mains, protection and control engineered to AS/NZS 3000 with real headroom.
Install
A-grade crews self-perform the lot — power, automation and safety wired to outlast the building.
Certify
Tested, tagged, documented and signed off. Compliance you can hand to an auditor without flinching.
// Why Ironclad
Overbuilt
on purpose.
A circuit sized to "just enough" is a circuit that fails the first time the site grows. We build in headroom, rate gear to the real fault level, and engineer for the worst day the plant will ever see — not the easy one in the brochure.
Our doctrineCompliant by default
Every job is wired to AS/NZS 3000 and handed over with the test sheets to prove it.
Self-performed
Power, automation, data and safety under one A-grade crew. The buck stops with us.
Three-phase specialists
415V power, motor control and factory automation are our core, not a sideline.
24/7 emergency
Lost power, a tripped main or a dead line — crews on call around the clock.
// Field notes
From the
plant room.
Power Engineering 2026-05-30 · 9 min
Three-Phase Power Explained: Why Heavy Loads Live on 415 Volts
Single-phase runs a house. Three-phase runs a factory. A blunt field guide to why every serious motor, machine and switchboard in the country sits on 415V — and what happens when the design gets it wrong.
Automation 2026-04-18 · 10 min
The Power Backbone Behind Factory Automation
Everyone talks about the robots and the PLCs. Nobody talks about the switchgear, the clean power and the motor control that keep them running. Here is what actually sits underneath an automated line.
Field Notes 2026-03-05 · 7 min
Seven Signs Your Switchboard Is Living on Borrowed Time
A switchboard does not usually fail with drama. It fails quietly — a warm panel, a nuisance trip, a smell of bakelite — until the day it does not. The warning signs every facility manager should know.
// Mobilise the crew
Need it wired right
the first time?
Tell us the load, the deadline and the standard it has to pass. We'll build the infrastructure that holds up under it.